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-rw-r--r--posix/unistd.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/posix/unistd.h b/posix/unistd.h
index 06c8ca7c21..744c10c50b 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -468,7 +468,7 @@ extern char *getwd (char *__buf)
 extern int dup (int __fd) __THROW __wur;
 
 /* Duplicate FD to FD2, closing FD2 and making it open on the same file.  */
-extern int dup2 (int __fd, int __fd2) __THROW __wur;
+extern int dup2 (int __fd, int __fd2) __THROW;
 
 /* NULL-terminated array of "NAME=VALUE" environment variables.  */
 extern char **__environ;